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as.double.bitmap & as.integer.bitmap #47

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jwijffels opened this issue Feb 9, 2017 · 3 comments
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as.double.bitmap & as.integer.bitmap #47

jwijffels opened this issue Feb 9, 2017 · 3 comments

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@jwijffels
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jwijffels commented Feb 9, 2017 •
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Question. Why do you divide in as.double.bitmap by 255 and as.integer.bitmap the division is not done?
@jeroen
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jeroen commented Feb 9, 2017

I think it was a legacy thing in how the R graphics device expects bitmaps.

@jwijffels jwijffels mentioned this issue Feb 20, 2017
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@jwijffels
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But is it the intention to map a Red RGB value of 255 to 1?

@jeroen
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jeroen commented Aug 4, 2017

Yes, this is the same scale as e.g. png::readPNG().

@jeroen jeroen closed this as completed Aug 4, 2017
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@jeroen @jwijffels